Elderly people should understand the relevant procedures and requirements before vaccination, pay attention to keeping warm during vaccination, and observe whether there are any adverse reactions after vaccination. 1. Before the vaccination, they should know the relevant knowledge about the new crown vaccine, such as wearing loose and warm clothes, avoiding vaccination on an empty stomach, following the requirements of the vaccination center, such as bringing identity documents, showing health codes, providing staff with their own information such as recent use of medication, physical status, history of allergies, and other underlying diseases such as contraindications to vaccination, and carefully reading and truthfully filling out and signing the informed consent form. 2. Wear a mask throughout the vaccination, queue up in an orderly manner, maintain a social distance of more than one meter to queue up in an orderly manner and wait for the vaccination is completed in a timely manner to wear the clothes taken off to pay attention to keep warm and avoid catching cold. 3. After vaccination, we should stay at the vaccination point for 30 minutes to observe whether there are symptoms such as dizziness, headache, nausea, vomiting, fever, etc. If there is any discomfort, inform the staff in time to deal with it, and if there is no uncomfortable symptom, then we can leave. Keep the vaccination site clean and dry within 24 hours to avoid infection and inflammation. If you have any discomfort, you should consult a doctor and report to the staff at the vaccination site in order to avoid delaying your condition.